Pellerin Milnor Corporation
33
You must have the necessary kit for the overhaul of your machine. Refer to the brake parts docu-
ment in your machine's manual.
1.
Remove power from the machine (see above notice).
2. Get access to the caliper halves (see
: How to Do a Friction Pad Replacement, page 31
).
3. Do an overhaul on each caliper:
a. Remove and discard the connection O-rings (
, item 7) on the caliper bodies.
b. Apply compressed air to the fitting for the hydraulic inlets (see
, item 8) to push
the pistons out.
c. Replace the piston O-rings (
, item 6).
d. Put the pistons in the caliper body. Carefully tap the pistons with a wood or rubber ham-
mer to install it.
e. Replace the connection O-rings. (
, item 7)
f.
Replace the friction pads (see
: How to Do a Friction Pad Replacement, page 31
).
4. Replace the caliper halves as specified in
: How to Do a Friction Pad Replacement, page 31
.
5. Bleed the brake circuit (see
: How to Change Hydraulic Fluid and Remove (Bleed) Air from
6. Supply electrical power to the machine.
How to Change Hydraulic Fluid and Remove (Bleed) Air from
the Brake Circuit
BNWUUM03.T04 0000277589 A.3 A.7 3/17/20 11:57 AM Released
Risks and Precautions
WARNING:
Risk of injury —
Machine power must be on for these procedures.
�
Stay away from operating mechanisms.
CAUTION:
Risk of injury and damage —
This procedure releases pressurized brake
fluid.
�
Keep brake fluid out of your eyes and mouth. Wear eye protection.
�
Follow procedures carefully to prevent damage to the face of the disk
or the pistons.
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